Control lever for a marine vessel



FIG. 1 is a perspective view from the front showing the new design;

FIG. 2 is a side view from the right side thereof;

FIG. 3 is a side view from the left side thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

In the drawings, the broken lines depict environmental subject matter only and form no part of the claimed design. 

The ornamental design for a control lever for a marine vessel, as shown and described. 